Aero A.21

Aero A.21

Manufacturer: Aero Vodochody
Primary user: Czech Air Force

The Aero A.21 was a biplane military trainer aircraft developed in Czechoslovakia from the Aero A.11 reconnaissance-bomber. The aircraft was developed specifically as a night-trainer, to teach Czech Air Force pilots instrument flying techniques.

Specifications (A.21)

General characteristics

Crew: 2
Length: 8.2 m (26 ft)
Wingspan: 12.8 m (43 ft 0 in)
Height: 3.1 m (10 ft)
Wing area: 36.5 m² (393 ft²)
Empty weight: 1,080 kg (2,380 lb)
Loaded weight: 1,328 kg (2,922 lb)
Powerplant: 1x— Breitfeld & Danek Perun I, 180 hp (130 kW)

Performance

Maximum speed: 170 km/h (92 knots, 110 mph)
Range: km (nm, mi)
Service ceiling: 6,500 m (21,000 ft)
Rate of climb: 2.35 m/s (461 ft/min)
Wing loading: 36 kg/m² (7.4 lb/ft²)
Power/mass: 100 W/kg (0.06 hp/lb)

Operators

Czechoslovakia.

Related development

Aero A.11
Aero A.12
Aero A.22
Aero A.25
Aero A.29

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Source: WikiPedia